name: Release Docker Runtime Images
#
# Builds and publishes runtime Docker images (production-optimized, ~50% smaller):
#   - lmsysorg/sglang:v{version}-runtime, lmsysorg/sglang:latest-runtime
#   - lmsysorg/sglang:v{version}-cu129-runtime, lmsysorg/sglang:latest-cu129-runtime
#
on:
  push:
    tags:
      - "v[0-9]+.*"
  workflow_dispatch:
    inputs:
      version:
        description: "Version to build (without v prefix, e.g., 0.5.7)"
        required: true
      image_repo:
        description: "Docker Hub repo to push to. Use lmsysorg/sglang-staging for testing."
        required: false
        default: "lmsysorg/sglang"

jobs:
  resolve-version:
    if: github.repository == 'sgl-project/sglang'
    runs-on: ubuntu-latest
    outputs:
      version: ${{ steps.version.outputs.version }}
    steps:
      - name: Get version
        id: version
        run: |
          if [ "${{ github.event_name }}" = "workflow_dispatch" ]; then
            VERSION="${{ github.event.inputs.version }}"
          else
            VERSION="${GITHUB_REF_NAME#v}"
          fi
          if [ -z "$VERSION" ] || ! echo "$VERSION" | grep -qE '^[0-9]+\.[0-9]+\.[0-9]+'; then
            echo "::error::Invalid version: $VERSION (expected: X.Y.Z)"
            exit 1
          fi
          echo "version=${VERSION}" >> $GITHUB_OUTPUT

  build-and-publish:
    needs: resolve-version
    uses: ./.github/workflows/_docker-build-and-publish.yml
    with:
      docker_target: runtime
      sgl_version: ${{ needs.resolve-version.outputs.version }}
      use_environment: prod
      image_repo: ${{ inputs.image_repo || 'lmsysorg/sglang' }}
      tag_config: |
        [
          {"cuda": "cu130", "tags": ["v${{ needs.resolve-version.outputs.version }}-runtime", "latest-runtime", "v${{ needs.resolve-version.outputs.version }}-cu130-runtime", "latest-cu130-runtime"]},
          {"cuda": "cu129", "tags": ["v${{ needs.resolve-version.outputs.version }}-cu129-runtime", "latest-cu129-runtime"]}
        ]
    secrets: inherit